An 8-liters plastic PET bottle of distilled drinking water as shown below is being used to supply our daily needs of water at home. One end of a 5-mm diameter plastic straw (tube) is inserted into the plastic bottle and the bottle is placed on high level table while the other end with on/off plug is maintained at 650 millimeter below the bottom of the plastic bottle wherein a 250-ml drinking glass is placed. If the water level in the bottle is 500 millimeter and at that level, the bottle is full up to the brim. When the plug is turn on and the water starts to flow, it will take how long in seconds at the very least to fill a 250-ml drinking glass? _____seconds